Re[3]: \shape curves relative to NoteHead etc.
It seems to happen at the end of a line...
-- Originalnachricht --
Von: musicus tomtom-ilm...@web.de
An: Urs Liska u...@openlilylib.org; lilypond-user@gnu.org
Gesendet: 23.06.2015 20:24:35
Betreff: Re[2]: \shape curves relative to NoteHead etc.
Hi Urs,
thanks for the \shapeII link! I think it's pretty much all i wanted.
Unfortunately I have a very annoying bug(?) using \shapeII.
If I use \shapeII to tweak a curve, sometimes the whole line is moved
downwards.
See attached, the latter was produced with layout control in
Frescobaldi (point-and-click, control-points, anchor)
I hope you or someone has a solution for this dealbreaking
issue...maybe I'm doing something wrong?
In spite of this problem the function is very helpful!!
Regards,
musicus\version 2.19.17
\include notation-snippets/shaping-bezier-curves/shapeII.ily
#(set-global-staff-size 14)
\new Staff {
\clef bass
\time 3/4
\tuplet 6/4 4 {
\shapeII #'((h)(p 45 0.5)(p 43 0.3)(h)) Slur
\once \shapeII #'(()(ap 95 0.8)(ap 10 0.3)()) Slur
| g,16( bes g') g'( bes g,)
g,( bes g') g'( bes g,)
\once \shapeII #'(()()(ap 45 0.5)()) Slur
g,( c' as') as'( c' g,)
\time 2/4
\once \shapeII #'(()(ap 92 0.8)(ap 45 0.3)()) Slur
| g,( cis' a'!) a'( cis' g,)
\once \shapeII #'(()()(ap 50 0.5)()) Slur
g,( d' bes') bes'( d' g,) \break
}
| c,!32( g, es c'!) c'( es g, c,)
d,( a, fis d') d'( fis a, d,)
\time 3/4
\tuplet 6/4 4 {
| g,16( g,_0 d_0) d( g, g,)
\repeat unfold 3 {
g,16( g, d) d( g, g,)
}
\repeat unfold 8 {
g,(^0 bes a)^0 a( bes g,)
}
}
}___
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\shape curves relative to NoteHead etc.
Dear all, In my last project I learned that sometimes you have to tweak a lot of Slurs, Ties, etc. to get a satisfying result. Of course, in many cases the \shape #'() Slur function helps a lot. My problem with this function is the dependency on Lilyponds automatic output. If I want to change the paper-size or the staffsize, for example, the calculation of the curves in the automatic output changes and many of my tweaks are useless. You can always use tags to differentiate between various paper settings, but nevertheless you have to find the correct values again and again. Additionally you have to engrave first to get an impression of the standard output, so that you can guess your \shape values. Because of this points I wondered if you could just use a function relative to the musical anchor points of a curve (in most cases the NoteHead, i would guess). \override control-points is relative to the center Staff-Line, but in many cases the center line is too far away from the curve position, which makes guessing a bit difficult. So, basically you need two things to get a good looking curve without needing graphical feedback: - offset relative to its anchor for start and end points - offset relative to the straight line between start and end point for the two middle points (that means you could ignore the rotation of a curve, which is already given by start and end point) - you have to convert these rotated offsets to standard x/y coordinates relative to start and end point (I'm currently working on a formula - should be no problem) I think that this way tweaks to curves could be much more stable and the needed input values could be more easily guessed, so you wouldn't need that much trial error... Is there a way to set the anchor points for curves? I thought of something like: (reference point; offset) Maybe it could be useful for the middle points to switch between offset relative to straight line and standard x/y coordinates relative to start/end point \override Slur.control-points = #'(NoteHead 0 . 0)(StartPoint rotated 0 . 0)(EndPoint standard 0 . 0)(Stem 0 . 0)) Probably I need some help with the scheme code for this function What do you think of this idea? Yours, musicusattachment: shape_curves_middle_control_points.JPG ___ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user
Re: \shape curves relative to NoteHead etc.
Am 21. Juni 2015 09:24:48 MESZ, schrieb musicus tomtom-ilm...@web.de: Dear all, In my last project I learned that sometimes you have to tweak a lot of Slurs, Ties, etc. to get a satisfying result. Of course, in many cases the \shape #'() Slur function helps a lot. My problem with this function is the dependency on Lilyponds automatic output. If I want to change the paper-size or the staffsize, for example, the calculation of the curves in the automatic output changes and many of my tweaks are useless. You can always use tags to differentiate between various paper settings, but nevertheless you have to find the correct values again and again. Additionally you have to engrave first to get an impression of the standard output, so that you can guess your \shape values. Because of this points I wondered if you could just use a function relative to the musical anchor points of a curve (in most cases the NoteHead, i would guess). \override control-points is relative to the center Staff-Line, but in many cases the center line is too far away from the curve position, which makes guessing a bit difficult. So, basically you need two things to get a good looking curve without needing graphical feedback: - offset relative to its anchor for start and end points - offset relative to the straight line between start and end point for the two middle points (that means you could ignore the rotation of a curve, which is already given by start and end point) - you have to convert these rotated offsets to standard x/y coordinates relative to start and end point (I'm currently working on a formula - should be no problem) I think that this way tweaks to curves could be much more stable and the needed input values could be more easily guessed, so you wouldn't need that much trial error... Is there a way to set the anchor points for curves? I thought of something like: (reference point; offset) Maybe it could be useful for the middle points to switch between offset relative to straight line and standard x/y coordinates relative to start/end point \override Slur.control-points = #'(NoteHead 0 . 0)(StartPoint rotated 0 . 0)(EndPoint standard 0 . 0)(Stem 0 . 0)) Probably I need some help with the scheme code for this function What do you think of this idea? Take a look at shapeII at https://github.com/openlilylib/openlilylib/tree/master/notation-snippets/shaping-bezier-curves Provides a number of additional ways to tweak curves. Does this help? Urs Yours, musicus ___ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user ___ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user
